Home / 9,380,689.49-14,070,886.40-2,990,898.79

Finding the Fourth Proportional to 9,380,689.49, 14,070,886.40 and 2,990,898.79

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Solution

The fourth proportional to 9,380,689.49, 14,070,886.40 and 2,990,898.79 is: 4,486,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,380,689.49 : 14,070,886.40 = 2,990,898.79 : x
  2. Step 2: Convert to fraction form
    9,380,689.49/14,070,886.40 = 2,990,898.79/x
  3. Step 3: Cross multiply
    9,380,689.49x = 14,070,886.40 × 2,990,898.79
  4. Step 4: Simplify right side
    9,380,689.49x = 42,084,597,107,987.46
  5. Step 5: Solve for x
    x = 42,084,597,107,987.46/9,380,689.49
  6. Step 6: Final answer
    x = 4,486,301.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.